Herniação Meningoencefálica do Osso Temporal

Abstract

Background: Temporal bone meningoencephalic herniations correspond to the presence of brain parenchyma and/or prolapsed meninges through a bone defect. It is a rare condition with potentially catastrophic consequences for the patient.

Case Description: Sixty-nine year-old female patient with past medical history of chronic otitis media submitted to otologic surgery, arterial hypertension and breast cancer. Admitted to emergency department with tonic-clonic seizures secondary to meningoencephalitis triggered by otologic infection. The imaging investigation revealed the presence of a meningoencephalic herniation that was surgically treated by a multidisciplinary ENT and neurosurgery team.

Discussion/Conclusions: Surgical treatment aims to remove meningoencephalic herniated tissue, bone defect repair and hearing recovery. Size and location of bone defect and meningoencephalic herniation are decisive factors in surgical approaches choice.